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EP2511249A4 - FERRITE MAGNET MATERIAL, FERRITE MAGNET, FERRITE SINTER MAGNET - Google Patents

FERRITE MAGNET MATERIAL, FERRITE MAGNET, FERRITE SINTER MAGNET

Info

Publication number
EP2511249A4
EP2511249A4 EP11756314.8A EP11756314A EP2511249A4 EP 2511249 A4 EP2511249 A4 EP 2511249A4 EP 11756314 A EP11756314 A EP 11756314A EP 2511249 A4 EP2511249 A4 EP 2511249A4
Authority
EP
European Patent Office
Prior art keywords
ferrite
magnet
sinter
ferrite magnet
magnet material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11756314.8A
Other languages
German (de)
French (fr)
Other versions
EP2511249A1 (en
EP2511249B1 (en
EP2511249B9 (en
Inventor
Shigeki Yanagida
Takahiro Mori
Hiroyuki Morita
Nobuhiro Suto
Tatsuya Katoh
Yoshihiko Minachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Publication of EP2511249A1 publication Critical patent/EP2511249A1/en
Publication of EP2511249A4 publication Critical patent/EP2511249A4/en
Publication of EP2511249B1 publication Critical patent/EP2511249B1/en
Application granted granted Critical
Publication of EP2511249B9 publication Critical patent/EP2511249B9/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
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EP11756314.8A 2010-03-17 2011-03-15 Ferrite magnetic material, ferrite magnet, ferrite sintered magnet Active EP2511249B9 (en)

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CN106242543A (en) * 2016-07-02 2016-12-21 南通保来利轴承有限公司 A kind of Ferrite Material for frequency converting air-conditioner compressor and preparation method thereof

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EP2450922B1 (en) * 2009-06-30 2018-07-25 Hitachi Metals, Ltd. Ferrite sintered magnet producing method and ferrite sintered magnet
KR20120041744A (en) * 2009-07-08 2012-05-02 티디케이가부시기가이샤 Ferrite magnetic material
JP5120467B2 (en) * 2010-03-17 2013-01-16 Ｔｄｋ株式会社 Ferrite magnetic material, ferrite magnet, ferrite sintered magnet
JP5790212B2 (en) * 2011-07-01 2015-10-07 Tdk株式会社 Composition for injection molding and method for producing the same
JP5534240B2 (en) * 2011-09-26 2014-06-25 Ｔｄｋ株式会社 Composition for injection molding and method for producing the same
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US8591760B2 (en) 2013-11-26
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US20120280167A1 (en) 2012-11-08
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US20140097378A1 (en) 2014-04-10
JP2011213575A (en) 2011-10-27
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US9202613B2 (en) 2015-12-01
CN102666431B (en) 2015-06-17

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